Flight of the Ionic Phoenix

I’ve spent the last couple of days as a zombie due to the time change, but now that I feel like myself, I’ve got some catch-up posts to do.  The first one has to do with today’s APOD. Can you spot the phoenix shape? It doesn’t mean anything special, it’s just the way our brains see the patterns of light from this gorgeous aurora in Iceland.  Ionization of atmospheric gases from charged solar particles doesn’t sound as glamorous as ‘phoenix aurora,’ but I still appreciate the scientific beauty of it.  Human beings are excellent at pattern recognition, and so we...

Earth is Jealous: Mars just had an Epic Meteor Shower

It’s true, Mars just had what we call a Meteor Storm.  This is an event that, on Earth, only happens once every few hundred years, and the one that Mars just had was more intense than anything Earth has experienced in recorded history. This event happened because of a close Martian fly-by of comet C/2013 A1 Sliding Spring.  On October 19th around 2:30pm EDT the comet came within 140,000 Km of Mars.  This is incredibly close in Astronomical terms, being less than half the distance to the Moon and comparable to the total distance I’ve driven my car in the...